<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        body,ul,li {
            margin: 0;
        }
        ul,li {
            padding: 0;
            list-style: none;
        }

        .box{
            width: 1000px;
            height:60px;
            margin: 0 auto;
            position: relative;
        }

    .logo{
        float: left;
           }
    .nav-fist{
        float: right;
        position:relative;
    }

        .er{
            position: absolute;
            top:18px;
            left:185px;
        }
        .nav-fist input{
            width: 200px;
            height:28px;
            padding-left: 10px;
            margin-top: 10px;
        }



        ul li a{

            color:black;
            text-decoration: none;
        }
        .two{
            width: 1000px;
            margin: 0 auto;
        }
        .two .navs {
            float: right;
        }
        .two2{
            height: 60px;
            background-color:#FFFFFF;
            list-style: none;
            display: inline-block;
            line-height: 60px;
            text-align: center;
            padding-left:18px;
            padding-right: 20px;
            position: relative;
        }
        .two2:hover {
            background-color:#0075C1 ;
        }

        .two2 .pop-layer {
            position: absolute;
            border: 1px solid bisque;
            width:100px;
            left: 0;
            top:50px;
            background-color: white;
            z-index: 999;
        }
         .pop-layer{
            display: none;
        }
       .two2:hover .pop-layer{
            display: block;
        }



    </style>
</head>
<body>
<div class="box">
    <div class="logo"><img src="img/logo.jpg"/></div>
    <div class="nav-fist">
        <input type="text" name="seek" placeholder="搜索">
        <i class="er"><img src="img/sousuo.png"></i>
    </div>
</div>
<div class="two clearfix">
    <ul class="navs">
       <li class="two2"><a href="#">首页</a></li>
        <li class="two2">
            <a href="#">集团概况</a>
            <ul class="pop-layer">
                <li>关于我们</li>
                <li>联系我们</li>
                <li>意见反馈</li>
            </ul>
        </li>
        <li class="two2"><a href="#">业务领域</a>
            <ul class="pop-layer">
                <li>制造设备</li>
                <li>工程项目</li>
                <li>金融管理</li>
                <li>内外贸易</li>
            </ul>
        </li>
        <li class="two2"><a href="#">项目案例</a></li>
        <li class="two2"><a href="#">集团要闻</a>
            <ul class="pop-layer">
                <li>集团新闻</li>
                <li>行业资讯</li>
            </ul>
        </li>
        <li class="two2"><a href="#">人力资源</a>
            <ul class="pop-layer">
                <li>加入我们</li>
            </ul>
        </li>
        <li class="two2"><a href="#">联系我们</a></li>
    </ul>
</div>
</body>
</html>